C# Unicode 转中文

        #region Unicode 转中文
        /// <summary>
        /// Unicode 转中文
        /// </summary>
        /// <param name="text"></param>
        /// <returns></returns>
        public static string UnicodeToGB(string text)
        {
            MatchCollection mc = Regex.Matches(text, "\\\\u([\\w]{4})");
            if (mc != null && mc.Count > 0)
            {
                foreach (Match m2 in mc)
                {
                    string v = m2.Value;
                    string word = v.Substring(2);
                    byte[] codes = new byte[2];
                    int code = Convert.ToInt32(word.Substring(0, 2), 16);
                    int code2 = Convert.ToInt32(word.Substring(2), 16);
                    codes[0] = (byte)code2;
                    codes[1] = (byte)code;
                    text = text.Replace(v, Encoding.Unicode.GetString(codes));
                }
            }
            else
            {
            }
            return text;
        }
        #endregion